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三年级数学(上)计算题专项练习附答案集锦352×2-532=41×7+340=104×(90-82)=463-139=725-112+625=575-(172+351)=385+(436-427)=283×(912-907)=593×6=312+(678-370)=517-111-401=306-184-47=758-478-279=42+(329-10)=109×(610-602)=451×2-224=280+107=158+81=324-68-11=223-(186-88)=237+347-406=23+283-239=973+557-522=593×6-661=233×4=199+202-20=149-(16+50)=411-70=131+561+239=580-31=1/3+2/3=453-400+329=786-(738-479)=805-(195+79)=400+(284-30)=872+(324-189)=33×4+439=804-(207+217)=644-482=620+(464-134)=503-221×2=665-(34+232)=273+174-26=77-57+328=330-115-97=323×6-685=96×8-346=111+382+400=113-69+366=746-382+497=332+487=70+(497-180)=157+(478-344)=5/8+2/8=399-110+129=511-(25+53)=239×5-115=333-(406-158)=106+171=14×6+84=402+65-393=227×4=291+338=241-132+345=667-85×6=203×3+386=34+204+247=841+132×2=385-31×8=171+(432-379)=879-280+79=55×9=736+39×4=527-320+420=221-27×5=867+36+967=948+890-693=177+207+400=23+871-784=926×2=347-279=405+58×9=592+104×8=104-77=51×(52-48)=114×(425-419)=312+(292-47)=333-26×7=337-316=276+111×3=69×(335-332)=483-71-32=472-120-253=787-299+512=405-42×5=432+(454-449)=278-83+190=454+36×5=424-(196+177)=165×(670-662)=159+15+35=20+(409-190)=291-125-114=444+(342-10)=678-178-469=113×4=22+393+551=493×4-863=598-49-159=350-(274-35)=973-240+913=312-33×6=481-17=342+764=47×2=132+(894-829)=805+526+12=436-(221+99)=112×2+280=60+27×8=682×9-207=987+796-632=545+266+175=475-104×3=256-133+269=847-53×6=181×2+55=425×8-873=645+114-542=499-(95+383)=1/7+3/7=431-87-34=447+(364-107)=34×(46-41)=994-50×2=64+197+114=391-142=13+386-189=980-168+398=51+(920-914)=112+403-509=823+754=472-85-312=263×2-518=247×4-913=64+186×4=344-25×3=279+210=637-(613-129)=944+(588-25)=673-622+73=97×4=962-656=233×(198-195)=969-771=972-(986-281)=3/6-1/6=62×(67-61)=865-156×3=630-(41+503)=374+221=139+339-321=191+235×3=287×3-617=125×4+90=175-(92+57)=40-20=485-94-124=366×(725-716)=12×(16-13)=77×4=644×(796-788)=135+142=146+341-384=876-218=232×(223-219)=22×2=206-156=211×3=62×(251-244)=254-138=703×5=823-358-314=210-37+140=304-33=507+(788-530)=434-(224+169)=391-80+786=71×5-318=415+141×3=281+483+575=51-(206-177)=112×6-552=394-376+457=800-25×9=789+(829-528)=547+128+158=75+337=138+(931-519)=663×3=912-76×5=150×(35-30)=815-156×4=636-355-45=999-(278+416)=512+979-199=179+220=49+290-125=196-(154-45)=465-145×2=984-364×2=167-(615-473)=215+132-14=876+936-528=367+183+289=115×(168-162)=101×9+96=54×2+65=361×4-620=487+277=288+42-53=228+10-213=4/8-1/8=866×7-732=395-(104+279)=439×2=153-67×2=317-132+63=126-124+172=218+63+949=183×4=171+730+65=192+(428-131)=864-272=672×9-613=72+313=125-92-24=49×7-285=412-(179+166)=706-207-182=97+(181-32)=173+242+355=400×7-43=187-15×3=942-657+59=401-173×2=820-171-363=314+(359-303)=344-(448-295)=969-74×4=502-120×2=354-(214-211)=401-297+149=335-82-64=923-328-582=286×2-447=994+644-397=363+100-404=300+135=393×5-671=668+482-693=293×8-23=879+12+107=234×4-818=252+249+216=148-98+82=978×(472-463)=486-191=495-283+267=961-19-812=871-(504+362)=838×6-235=411-370=412-187×2=88×4-163=34×2+389=295+539+332=331+37×3=802-624=115×2=984+106×7=98×7+160=295-(37+109)=95+133+709=135+88+320=140×3+158=728×(479-470)=177×(17-12)=318-13+139=414-(310+66)=421-(377-233)=149×4+604=616+950-71=290×2-53=104×3+882=268+67=129-(432-391)=321+135+234=475-(329+74)=726+356=615×3-108=950-(493-291)=663×8=874-11×3=390+105-323=290-21-132=435×(764-759)=493-328+184=172-81=208-107+897=148+187-134=178-(269-94)=760+525+90=122+12×4=384-(17+311)=478+(632-618)=614-(118+344)=638-(397-249)=292×9=173×4=600-429=156×2-103=915+376-518=133×2+294=355-120=769×9=503-(477-114)=180×(607-603)=448-157-156=606-222×2=514+672-735=765×8=472-261-63=305+108=457×(912-907)=450-235-97=246+140+110=341+(219-201)=443-287+77=527-11+667=222-16=808×(695-689)=509-455=18×(370-363)=490×8-38=38×(658-652)=276×(59-56)=878-298-487=128×3=220-(51+105)=81+288=4/7-1/7=55×6=932-(551+194)=287+630+146=167×(34-30)=371+241+77=456-(412-142)=466-455+400=865-(322+539)=551+(986-464)=368+117=220+(370-158)=843-(475-215)=196×(35-32)=472+(337-304)=480+(727-658)=242×2+104=513×6-403=362+114-270=899+202+932=377-290+200=839-423=107+104=148+106-19=630-(777-421)=554-293+703=960-855=122×4=973-549+841=171+10×8=238-115×2=481-160-202=343×2=5/8-1/8=40×6-207=2/5-1/5=6/9-3/9=155-(315-289)=794-21+514=983-597=473+268+251=253-(420-198)=977+134×3=258-129×2=304+(419-175)=115-14×7=217×4-543=854-546-114=334+77=124+266-193=435×(568-560)=332×2+977=64+127=218×2+102=232-(339-113)=923-421=67+148=470-96×4=829-148=342-191=701-(395-76)=370+277+875=133+(243-93)=416-44×7=255-(447-424)=85×9=976-243-464=934-(463-143)=449+(492-176)=563+815+739=827+882+262=279-76×2=418+(565-202)=686+94×4=109×9-329=725-(160+307)=886-(63+496)=103-62+245=267-78=320+863=411-276=473+(455-218)=999-197×3=168+797+254=241+177=1/6+4/6=4/7+3/7=417-103×2=494-35=64×9-563=861-749=23+244-64=1/7+4/7=932-(925-27)=77×(359-351)=435-21×3=184+623=72+(341-126)=718-(372-136)=237-(223-51)=118×6-312=368-(469-178)=937-(176+608)=27×9+23=456+43-134=164×6=191-164-26=254×(436-433)=319-(499-264)=78×2=358-72=519+240=280+190=948-606+229=74×(94-86)=484-(340-208)=988+73+783=244+110-157=110×6-149=844-705=777+104-299=488×2-299=408-267=344+497+43=989×3=84+242-145=849-96-402=531+636-490=202+286=817-(530+194)=797×7=936-566-52=285+(489-405)=136×(860-856)=636×(91-86)=457-(229+101)=804×(532-525)=376-(289+11)=295+76+153=334+650=590-63×6=326-26×3=287+59-141=584+247+27=186×(649-641)=130×7=429×(867-858)=38+66=464-463+65=228-195+160=962-466-294=4/7-2/7=445-138=702+56+472=674+864+822=219×4=45×3-114=95+71×9=661-(138+216)=943+484-560=28×(397-393)=670×4=492-427=168-(67+11)=412-97-54=251-228+811=747-434-307=623-(43+397)=265+(289-14)=826+(860-417)=175+904=694-(444+67)=145×6+230=1/8+3/8=195+444+250=449-283-91=558-201×2=943+200×2=544-(307+93)=168-125+10=911+33-638=163-(218-206)=122×7=393-(37+75)=907-(697+104)=984-(108+79)=315+141=14+94×4=247-76×2=28×2=339+(313-185)=456+267×2=665-242-155=456-16-385=773×(743-735)=385-18×4=20×8+242=167-80+390=242+129=765×4-981=951-297×3=48×7+721=773-347+929=810-57-429=136+108×5=336-(474-187)=178+142-209=98×(95-90)=254-38+274=586-(597-87)=12×(322-319)=210-26-179=377+63+422=632-228=2/3-1/3=235×(82-78)=392+(693-395)=240+301=460-(82+292)=6/8-1/8=909-468-132=180×2-217=211+296+26=218-34-56=424-17×5=838-604=434+173×3=488-(82-72)=406-227+102=352+215×3=412+273×2=705×9=145+986-594=200+694=38×9-87=391-246+276=382+31×5=86+205=78×5=250+(369-290)=279-99=475-(416+17)=659-(878-521)=163×(411-406)=121+421×2=270×(757-751)=649+519=412-347+870=365+131×5=913-(827-670)=361-158=794-651+388=360+33-187=241+165-110=18×8+481=374-(115-109)=974-841+180=387-27×6=468×2+237=135+459-253=237-(369-207)=57+371-238=399-(38+74)=893-133+598=463-303+339=246+324=225+182+141=195+(192-136)=925-23-360=332+313+194=459-(225+187)=397-11×5=888+796+956=28×6=495×2+532=495+701-472=57×(328-321)=642×(251-246)=119×(26-23)=410+(268-239)=71×4=477+10+184=951-139×6=26+119×2=429-239-93=361-118=877+357-262=308+428-523=269×2-225=758×6=411-(161+142)=393-40-35=279-73=882-25-718=3/5+2/5=411-387+262=814-228-148=457-52×2=355-(21+208)=60+(922-43)=207×(948-939)=266+68+406=835-553+303=5/9+3/9=158×6=98×7-162=426-(323-101)=256×3=482-120=245×3-706=123×(395-387)=226-(257-173)=458-66-91=252+10+147=37+379×2=331-53+931=341-66×5=41×(458-449)=777-49-724=446-(870-479)=291+(941-378)=831-568+559=397+98=204+111=252×(669-661)=160×3-92=696+667=388+(475-355)=892+(999-369)=350-18×5=932-141×6=495-143×3=121×6+652=479-(55+21)=498-262=401-(311-57)=423-190-196=3/8+4/8=974+507+548=318-(322-33)=474+(703-661)=323-297=263-16×2=86+378=578+751+824=737-108×6=442-(33+160)=322×9=1/5+3/5=415+(921-580)=376-186-116=328+147+459=164+(400-78)=4/6-1/6=116+255=871+236=779×9-393=116+485=191×2=337-(57+234)=580-(214-152)=932-758+274=382-182-60=379-(696-659)=3/7-2/7=467-55=898-35×3=836+115×5=882-(243+120)=929+(678-351)=57×3+463=306+94=426×2=333-37×6=419×(436-428)=652×2-727=88×4=94+(483-402)=390-(197+150)=664×9=94×7=368-(36-15)=975-563-162=769×5-658=280-29×4=37×(169-160)=482-72-143=756×7-349=455-(45+124)=943-872=97+421=36+156=135+261=213×(241-235)=894+550+715=800-(722-562)=634-(470-338)=308×2-613=153×6-332=393×6=322+156-348=14+205+835=90+365-96=130+182-100=485+997=511×6-549=755-(901-552)=552-168+856=90×(223-219)=807-278=197×3+872=720+(572-424)=442-35×2=108×(243-235)=558-260=806×9-867=766-20×4=850-43×6=440+447+879=296×3-436=161+408=885×(169-165)=11+382-325=950-184-689=338×8=4/9+3/9=800+916+516=432-66=197+(669-567)=858-(882-603)=231-(771-609)=4/8-3/8=906-454-35=50+208=427+117+117=178×3+89=450-(409-233)=347+(429-60)=143+228=764×3=337×5=310+347=57×9=40×8=454+336+478=359-116=175-(371-294)=630+(472-171)=769+345-306=12-(157-154)=235×4=224×(54-46)=856×9=433×3=18+(548-236)=585×2=604-308+285=544+277-646=895-(423-336)=115×7-544=741-572=423-(89+46)=760-580+466=10+268+998=332+799=415×2+131=426-(88+242)=324-(60+193)=731-72×3=393+(497-447)=225-68+19=299+125-252=489-(294+67)=268+74-134=44+185=702-(74+73)=138×6-281=608-(383+38)=305-41=443-132-252=499-33=146×6-841=411+252=569×(621-617)=351-16×7=475+44+229=834×4-593=101×8-412=712-(264+238)=163×5=337-210=262-(485-266)=902×6-872=161+119+266=220+301-388=991+340-670=464-(14+30)=390-(58+301)=152-(329-273)=295-56-186=468+281=91+(740-58)=203-19×4=436+(439-316)=964-550=472-85-348=362-(45+90)=645×2=717+880-352=290-93+254=295-38-205=235+903+714=91-(795-782)=参考答案352×2-532=17241×7+340=627104×(90-82)=832463-139=324725-112+625=1238575-(172+351)=52385+(436-427)=394283×(912-907)=1415593×6=3558312+(678-370)=620517-111-401=5306-184-47=75758-478-279=142+(329-10)=361109×(610-602)=872451×2-224=678280+107=387158+81=239324-68-11=245223-(186-88)=125237+347-406=17823+283-239=67973+557-522=1008593×6-661=2897233×4=932199+202-20=381149-(16+50)=83411-70=341131+561+239=931580-31=5491/3+2/3=1453-400+329=382786-(738-479)=527805-(195+79)=531400+(284-30)=654872+(324-189)=100733×4+439=571804-(207+217)=380644-482=162620+(464-134)=950503-221×2=61665-(34+232)=399273+174-26=42177-57+328=348330-115-97=118323×6-685=125396×8-346=422111+382+400=893113-69+366=410746-382+497=861332+487=81970+(497-180)=387157+(478-344)=2915/8+2/8=7/8399-110+129=418511-(25+53)=433239×5-115=1080333-(406-158)=85106+171=27714×6+84=168402+65-393=74227×4=908291+338=629241-132+345=454667-85×6=157203×3+386=99534+204+247=485841+132×2=1105385-31×8=137171+(432-379)=224879-280+79=67855×9=495736+39×4=892527-320+420=627221-27×5=86867+36+967=1870948+890-693=1145177+207+400=78423+871-784=110926×2=1852347-279=68405+58×9=927592+104×8=1424104-77=2751×(52-48)=204114×(425-419)=684312+(292-47)=557333-26×7=151337-316=21276+111×3=60969×(335-332)=207483-71-32=380472-120-253=99787-299+512=1000405-42×5=195432+(454-449)=437278-83+190=385454+36×5=634424-(196+177)=51165×(670-662)=1320159+15+35=20920+(409-190)=239291-125-114=52444+(342-10)=776678-178-469=31113×4=45222+393+551=966493×4-863=1109598-49-159=390350-(274-35)=111973-240+913=1646312-33×6=114481-17=464342+764=110647×2=94132+(894-829)=197805+526+12=1343436-(221+99)=116112×2+280=50460+27×8=276682×9-207=5931987+796-632=1151545+266+175=986475-104×3=163256-133+269=392847-53×6=529181×2+55=417425×8-873=2527645+114-542=217499-(95+383)=211/7+3/7=4/7431-87-34=310447+(364-107)=70434×(46-41)=170994-50×2=89464+197+114=375391-142=24913+386-189=210980-168+398=121051+(920-914)=57112+403-509=6823+754=1577472-85-312=75263×2-518=8247×4-913=7564+186×4=808344-25×3=269279+210=489637-(613-129)=153944+(588-25)=1507673-622+73=12497×4=388962-656=306233×(198-195)=699969-771=198972-(986-281)=2673/6-1/6=2/662×(67-61)=372865-156×3=397630-(41+503)=86374+221=595139+339-321=157191+235×3=896287×3-617=244125×4+90=590175-(92+57)=2640-20=20485-94-124=267366×(725-716)=329412×(16-13)=3677×4=308644×(796-788)=5152135+142=277146+341-384=103876-218=658232×(223-219)=92822×2=44206-156=50211×3=63362×(251-244)=434254-138=116703×5=3515823-358-314=151210-37+140=313304-33=271507+(788-530)=765434-(224+169)=41391-80+786=109771×5-318=37415+141×3=838281+483+575=133951-(206-177)=22112×6-552=120394-376+457=475800-25×9=575789+(829-528)=1090547+128+158=83375+337=412138+(931-519)=550663×3=1989912-76×5=532150×(35-30)=750815-156×4=191636-355-45=236999-(278+416)=305512+979-199=1292179+220=39949+290-125=214196-(154-45)=87465-145×2=175984-364×2=256167-(615-473)=25215+132-14=333876+936-528=1284367+183+289=839115×(168-162)=690101×9+96=100554×2+65=173361×4-620=824487+277=764288+42-53=277228+10-213=254/8-1/8=3/8866×7-732=5330395-(104+279)=12439×2=878153-67×2=19317-132+63=248126-124+172=174218+63+949=1230183×4=732171+730+65=966192+(428-131)=489864-272=592672×9-613=543572+313=385125-92-24=949×7-285=58412-(179+166)=67706-207-182=31797+(181-32)=246173+242+355=770400×7-43=2757187-15×3=142942-657+59=344401-173×2=55820-171-363=286314+(359-303)=370344-(448-295)=191969-74×4=673502-120×2=262354-(214-211)=351401-297+149=253335-82-64=189923-328-582=13286×2-447=125994+644-397=1241363+100-404=59300+135=435393×5-671=1294668+482-693=457293×8-23=2321879+12+107=998234×4-818=118252+249+216=717148-98+82=132978×(472-463)=8802486-191=295495-283+267=479961-19-812=130871-(504+362)=5838×6-235=4793411-370=41412-187×2=3888×4-163=18934×2+389=457295+539+332=1166331+37×3=442802-624=178115×2=230984+106×7=172698×7+160=846295-(37+109)=14995+133+709=937135+88+320=543140×3+158=578728×(479-470)=6552177×(17-12)=885318-13+139=444414-(310+66)=38421-(377-233)=277149×4+604=1200616+950-71=1495290×2-53=527104×3+882=1194268+67=335129-(432-391)=88321+135+234=690475-(329+74)=72726+356=1082615×3-108=1737950-(493-291)=748663×8=5304874-11×3=841390+105-323=172290-21-132=137435×(764-759)=2175493-328+184=349172-81=91208-107+897=998148+187-134=201178-(269-94)=3760+525+90=1375122+12×4=170384-(17+311)=56478+(632-618)=492614-(118+344)=152638-(397-249)=490292×9=2628173×4=692600-429=171156×2-103=209915+376-518=773133×2+294=560355-120=235769×9=6921503-(477-114)=140180×(607-603)=720448-157-156=135606-222×2=162514+672-735=451765×8=6120472-261-63=148305+108=413457×(912-907)=2285450-235-97=118246+140+110=496341+(219-201)=359443-287+77=233527-11+667=1183222-16=206808×(695-689)=4848509-455=5418×(370-363)=126490×8-38=388238×(658-652)=228276×(59-56)=828878-298-487=93128×3=384220-(51+105)=6481+288=3694/7-1/7=3/755×6=330932-(551+194)=187287+630+146=1063167×(34-30)=668371+241+77=689456-(412-142)=186466-455+400=411865-(322+539)=4551+(986-464)=1073368+117=485220+(370-158)=432843-(475-215)=583196×(35-32)=588472+(337-304)=505480+(727-658)=549242×2+104=588513×6-403=2675362+114-270=206899+202+932=2033377-290+200=287839-423=416107+104=211148+106-19=235630-(777-421)=274554-293+703=964960-855=105122×4=488973-549+841=1265171+10×8=251238-115×2=8481-160-202=119343×2=6865/8-1/8=4/840×6-207=332/5-1/5=1/56/9-3/9=3/9155-(315-289)=129794-21+514=1287983-597=386473+268+251=992253-(420-198)=31977+134×3=1379258-129×2=0304+(419-175)=548115-14×7=17217×4-543=325854-546-114=194334+77=411124+266-193=197435×(568-560)=3480332×2+977=164164+127=191218×2+102=538232-(339-113)=6923-421=50267+148=215470-96×4=86829-148=681342-191=151701-(395-76)=382370+277+875=1522133+(243-93)=283416-44×7=108255-(447-424)=23285×9=765976-243-464=269934-(463-143)=614449+(492-176)=765563+815+739=2117827+882+262=1971279-76×2=127418+(565-202)=781686+94×4=1062109×9-329=652725-(160+307)=258886-(63+496)=327103-62+245=286267-78=189320+863=1183411-276=135473+(455-218)=710999-197×3=408168+797+254=1219241+177=4181/6+4/6=5/64/7+3/7=1417-103×2=211494-35=45964×9-563=13861-749=11223+244-64=2031/7+4/7=5/7932-(925-27)=3477×(359-351)=616435-21×3=372184+623=80772+(341-126)=287718-(372-136)=482237-(223-51)=65118×6-312=396368-(469-178)=77937-(176+608)=15327×9+23=266456+43-134=365164×6=984191-164-26=1254×(436-433)=762319-(499-264)=8478×2=156358-72=286519+240=759280+190=470948-606+229=57174×(94-86)=592484-(340-208)=352988+73+783=1844244+110-157=197110×6-149=511844-705=139777+104-299=582488×2-299=677408-267=141344+497+43=884989×3=296784+242-145=181849-96-402=351531+636-490=677202+286=488817-(530+194)=93797×7=5579936-566-52=318285+(489-405)=369136×(860-856)=544636×(91-86)=3180457-(229+101)=127804×(532-525)=5628376-(289+11)=76295+76+153=524334+650=984590-63×6=212326-26×3=248287+59-141=205584+247+27=858186×(649-641)=1488130×7=910429×(867-858)=386138+66=104464-463+65=66228-195+160=193962-466-294=2024/7-2/7=2/7445-138=307702+56+472=1230674+864+822=2360219×4=87645×3-114=2195+71×9=734661-(138+216)=307943+484-560=86728×(397-393)=112670×4=2680492-427=65168-(67+11)=90412-97-54=261251-228+811=834747-434-307=6623-(43+397)=183265+(289-14)=540826+(860-417)=1269175+904=1079694-(444+67)=183145×6+230=11001/8+3/8=4/8195+444+250=889449-283-91=75558-201×2=156943+200×2=1343544-(307+93)=144168-125+10=53911+33-638=306163-(218-206)=151122×7=854393-(37+75)=281907-(697+104)=106984-(108+79)=797315+141=45614+94×4=390247-76×2=9528×2=56339+(313-185)=467456+267×2=990665-242-155=268456-16-385=55773×(743-735)=6184385-18×4=31320×8+242=402167-80+390=477242+129=371765×4-981=2079951-297×3=6048×7+721=1057773-347+929=1355810-57-429=324136+108×5=676336-(474-187)=49178+142-209=11198×(95-90)=490254-38+274=490586-(597-87)=7612×(322-319)=36210-26-179=5377+63+422=862632-228=4042/3-1/3=1/3235×(82-78)=940392+(693-395)=690240+301=541460-(82+292)=866/8-1/8=5/8909-468-132=309180×2-217=143211+296+26=533218-34-56=128424-17×5=339838-604=234434+173×3=953488-(82-72)=478406-227+102=281352+215×3=997412+273×2=958705×9=6345145+986-594=537200+694=89438×9-87=255391-246+276=421382+31×5=53786+205=29178×5=390250+(369-290)=329279-99=180475-(416+17)=42659-(878-521)=302163×(411-406)=815121+421×2=963270×(757-751)=1620649+519=1168412-347+870=935365+131×5=1020913-(827-670)=756361-158=203794-651+388=531360+33-187=206241+165-110=29618×8+481=625374-(115-109)=368974-841+180=313387-27×6=225468×2+237=1173135+459-253=341237-(369-207)=7557+371-238=190399-(38+74)=287893-133+598=1358463-303+339=499246+324=570225+182+141=548195+(192-136)=251925-23-360=542332+313+194=839459-(225+187)=47397-11×5=342888+796+956=264028×6=168495×2+532=1522495+701-472=72457×(328-321)=399642×(251-246)=3210119×(26-23)=357410+(268-239)=43971×4=284477+10+184=671951-139×6=11726+119×2=264429-239-93=97361-118=243877+357-262=972308+428-523=213269×2-225=313758×6=4548411-(161+142)=108393-40-35=318279-73=206882-25-718=1393/5+2/5=1411-387+262=286814-228-148=438457-52×2=353355-(21+208)=12660+(922-43)=939207×(948-939)=1863266+68+406=740835-553+303=5855/9+3/9=8/9158×6=94898×7-162=524426-(323-101)=204256×3=768482-120=362245×3-706=29123×(395-387)=984226-(257-173)=142458-66-91=301252+10+147=40937+379×2=795331-53+931=1209341-66×5=1141×(458-449)=369777-49-724=4446-(870-479)=55291+(941-378)=854831-568+559=822397+98=495204+111=315252×(669-661)=2016160×3-92=388696+667=1363388+(475-355)=508892+(999-369)=1522350-18×5=260932-141×6=86495-143×3=66121×6+652=1378479-(55+21)=403498-262=236401-(311-57)=147423-190-196=373/8+4/8=7/8974+507+548=2029318-(322-33)=29474+(703-661)=516323-297=26263-16×2=23186+378=464578+751+824=2153737-108×6=89442-(33+160)=249322×9=28981/5+3/5=4/5415+(921-580)=756376-186-116=74328+147+459=934164+(400-78)=4864/6-1/6=3/6116+255=371871+236=1107779×9-393=6618116+485=601191×2

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